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:: Volume 9, Issue 36 (2019) ::
joc 2019, 9(36): 23-29 Back to browse issues page
Antimicrobial susceptibility and molecular identification of Nocardiopsis sp. AHA2 from intertidal sediments
Hassan Alijani Mr, Soheila Matroodi Dr * , Ali Sharafi Dr, Isac Zamani Dr
1- Department of Marine biology, Faculty of Marine Science, Khoramshahr University of marine science and technology, Iran. , s.matroodi@kmsu.ac.ir
Abstract:   (78 Views)
Marine microbiology is developing worldwide because of importance of its bioactive compound. Marine actinomycetes are potential sources of bioactive compound and rich source of secondary metabolites. One of the most promising sources of bioactive compounds is Nocardia genus, which was reported as an antibiotic producer. Aim of this study is isolation and identification of Nocardiopsis isolate from Deylam nearshore and study of its antimicrobial activity. After collecting of soil sediment samples, the treated samples were serially diluted and used starch casein agar as a culture medium. Identification of isolate was done using 16S rRNA analysis. Antimicrobial assay of the bacterial extracts was performed using standard well diffusion assay. Nocardia isolate was isolated and identified. Differential analyses results for catalase and Gram test were positive and other tests were negative. Antimicrobial assays showed that the isolate has more antifungal than antibacterial activity against tested pathogenic microbes.The results of this investigation revealed that Deylam nearshore sediments were potent source of rare actinomycetes which produced bioactive compounds.
Keywords: Antimicrobial activity, Deylam near shore, Marine actinomycetes, Nocardia.
Full-Text [PDF 666 kb]   (19 Downloads)    
Type of Study: Research | Subject: Marine Biology
Received: 2017/10/18 | Accepted: 2018/02/4
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Alijani H, Matroodi S, Sharafi A, Zamani I. Antimicrobial susceptibility and molecular identification of Nocardiopsis sp. AHA2 from intertidal sediments. joc. 2019; 9 (36) :23-29
URL: http://joc.inio.ac.ir/article-1-1128-en.html

Volume 9, Issue 36 (2019) Back to browse issues page
نشریه علمی پژوهشی اقیانوس شناسی Journal of Oceanography
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